| Sold | Grade | Monthly Average |
| Jun 2016 | 9.4 | $3.70 |
| Aug 2013 | 9.4 | $7.00 |
| Jun 2013 | 9.4 | $7.00 |
| May 2013 | 9.4 | $7.00 |
| Apr 2013 | 9.4 | $7.00 |
| Dec 2022 | 8.0 | $2.90 |
| May 2017 | 8.0 | $4.70 |
| Oct 2016 | 8.0 | $3.20 |
| Sep 2015 | 8.0 | $3.80 |
| Aug 2014 | 8.0 | $4.40 |
| Jan 2014 | 8.0 | $5.60 |
| Nov 2013 | 8.0 | $5.60 |
| Jun 2013 | 8.0 | $5.60 |